Motor-propelled vehicle.



ments, inclosed in a civilian srainsmiagrnnr folimpia.-

IHAS F. CRARY AND ARTHUR S. PFARR, OF MIDDLEPORT, OHIO.

MOTOR-PROPELLED VEHICLE.

Speclcation of Letters Patent.

Patented Feb. 17, 1914.

Application led December 9, 1912. Serial No. 735,625.

To all 'whom it may concern:

Be it Aknown that we, THOMAS F. CRARY andAiiTHUR S. PrAnR, citizens of the United States, and residing at Middleport, Meigs county, State of Ohio, have invented certain new `andeuseful Improvements inMotor-Propelled Vehicles; and we do declare that the following is a clear, full, and exact description of the invention, attention beingA called to the drawing which accompanies thisapplication and 4forms a part thereof.

This inventionconcerns improvements in motorqro elled vehiclesv and relates more particu ar y to the means whereby the power erived from the shaft, actuated b the mo` tor, is transmit-ted to the driven ve nele-axle and whereby thistransmission is controlled 'both as to speed and direction of motion.

The invention also relates to means where by the motor 1s supported 1n a manner whichprevcnts the devices concerned 1n the transmission of power from it, to be effected by Yany variations in the load of the vehicle and permits maintenance ot a straight line drive irrespective of the effect due to such variations.,

The invention is described in connection with a vehicle of customary automobile type, and illustrated accordingly.

Figure 1, of the accompanyingdrawing, shows in top-view the essential parts concerned in 'this invention. Fig. 2, is -a sectional siderlevation of Fig. 1. Fig. 3, is a trans'lrerse section of Fig, l, taken on line 3-3 of the same. Fig. 4, is a section taken online 4-4 of Fig. 1. Fig. 5l`v is another section taken on line 5-5 of same gure.

In the drawing, letter Av indicates the parallel. longitudinal members of the main rame, B the front axle and C the rear axle of the vehicle. Power is applied to one of these axles, usually the rear one, by means of a driving shaft D, and interposed gear-elecasing E. This shaft is the usual Cardan shaft, consisting of two sections connected to each other by a universal joint d. It also consists of two sections telescopically engaged to permit adjustment in length. said sections being connected to each other for rotation by means of a spline 10. This shaft is supported in two bearings, one shown at 11 near its front e'nd, and the other being liormedin -a forward extension e of gear-case E.

Shaft D is operated by sha 5t 1Q, actuated l diy the .meten which contained in a casing this latter-,Ito be F, provided with flanges f for attachment. The operative connection between the shafts Ais by the complementary, conical elements of a friction clutch, G being a cone-shaped element, mounted at the rear end of the m0- tor shaft and H beinga ring, fitted on its The.` face of cone G is slightly concaved Y* roper Contact with friction so as to insure ring H during t e positional adjustments of presently described.

The motor is carried upon an intermediate or trunnion frame of which J-J, are the longitudinal members. This frame is supported by means of trunnion journals 1i15*l3, upon frame-members A--A of the main frame. Rearwnrdly members J-J converge as shown at j j and at their rearU endsl they are connected to a ring 14, which is fitted to the shaft-bearing formed by the extended part c of gear casing E, so` as to form a support for this latter as well'as a third hearing for the trunnion frame. .There is no rigid connection between this ring and part e upon whichv it is seated, so that in case one oi" the rea'r wheels travels higher or loiver than the other one, asefor instance when one wheel sinks into a depression in the road, thel gear casing, following the movement of the axle, may freely turn in this ring, in either direction, and no torsional strain is vtransmitted to the frame which carries the motor.

15-15 are radius rods passing between the rear axle and the trunnion journals and connecting both to each other.

l `rontbearing 1] of shaft D is a swivelbearing, mounted on vertically disposed pivots in a stirrup 7u slide K. This latter is fitted to movein ways l which form parts of a frame L, supported upon the trunnion frame-members J-J. This frame L is held in place by pins 16, occupying slots 17 -in it and -so arranged as to permit a limited movement of it transversely of the trunnion-frame and at an angle to the motor-shaft.

Springs 18 are provided which act at all which forms part of a' times laterally against one Side of frame L i and fthe arrangement and position of the parts and length of slots 17 Ais Such that normally friction ring H is ke t out of con tact with friction cone G, so t at no motion.

means of f in rock-shaft 26, the latter on the face of cone is transmitted from the motor to the propelling devices. lf this frame is moved in opposite directionl driving contact isestablished between the members of the friction clutch, and the propelling devices are caused to operate.

It is usual to start at a slow speed at which time the friction members are in a position as shown iu Fig. 1. Increase of speed is had by causing friction ring H to move forward on the friction cone which is done by moving shaft D accordingly by slide K which carries the front shafbbearing 11, and which slide is moved forward on itsguides l.' The disposition of these guides is so as to cause the contacting surface of ring H to move forward G while remaining in contact therewith.

Suit-able devices are provided for moving frame L and slide K for these purposes', and they are so arranged as to be accessible for manipulation from above.

For the purpose of movingv frame L, against4 the action of springs 18 in order to bring the clutch-members in Contact to transmit rotation' from the motor-shaft `to shaft D, there is' an 'angle-lever 19, adapted to act at one of its free ends against frame L, when actuated hy means of a link 21 at its other end.

For the purpose ot movingr friction ring j H, with reference to cone G, to adjust (increase) speed (see dotted. lines in l), there is an arm 22, subject to actuation by a spring Q23 andalso by means of a link Link 2l is actuated by an angle-lever 25, forming part of a lack-shaft SIG', mounted.

in a suitabl bearing. Link 21 is actuated by another angle-lever 27, forming part of a rock-shaft gt3, which may iind a bearing being hollow for the purpose. Each of these angle-levers is manipulated by a treadle and a segmental treadlc-rod provided With locking notches.

M, is the treadle to actuate anglelever Q5 and m is the treadlc-rod thereof.

N. is the treadle to actuate angle-lever 27 and In. the treadlerod of it. These treadlerods extend upwardly through the floor of the cab or body of the vehicle, they passing through slotted floor -plates'thcreat which afford means to engage the notched treadle rods to hold the treadles and the parts opcrated thereby in their certain adjusted positions. These {looi-platcs and the adjacent parts of the leod'v ot the vehicle arc omittcd in l he drawing to prevent obliteration ot' other parts necessary to show. Furthermore no novelty is claimed for these omittedparts nor for thel trcadlc mechanism used lin connection therewith since, as to construction7 they.' `follow conventional types in motorv vehicle inamii'ar'tdre.

inc :aifrithe of reversing motion.

reduced partg at the end of cone G is used in connection. with a friction ringfltl, and with reversing idlers 3l, all within casing h., said members viz. part g, ring 9.9 and idlers 31, being alined and brought in contact at their faces in a manner and with means follows i Treadle M isl manipulated to re lease frame L, rendering it subject to action oi' springs 18, so as to bring ring H out of contact with the cone, a position similar to that shown in Fig. 1. T readle N is manipulated next, ha nove slide K to canse casing Iz. to move toward the cone so as to occupy a positionas shown in Fig. :2 where it is alined with and opposite ring This position is indicated to the operator and held by means of a special notch 32 on trcadlclrod n., treadle N being acted upon accordingly to hook this notch into its floor-plate. Idlers 31, are now moved orward into the space between part g on the cone and 'friction ring 2),4V bringing all these parts in engagement and thereby reversing 'rotation of shaft D. For the purpose of so moving the means of a link One end of arm 35 is held by a pivot and its other arm is forked, and its forked members are slotted kand engage pins upon a sleeve 39. This sleeve is seated upon the hub l1 of casing h and whereby this latter is rigidly connected to the front end of 'shaft D. Pins 42 are carried on yslecveffl and extend through perforations in the end of casing la. into this latter where they conncct to a plate 4:3 which carries the idlers. Guides all are provided inside of the casing on which this plate moves while being adjusted. The idlers are mounted in boxes which are fitted into slots in plate 13, which slots are slight-ly longer than the boxes in a radial direction. This while being pushed forward to adjust themselves to proper engaging position by making frictional contact with part g ot cone Gr and also with ring Q9.

The boxes in which idlcrs 3l arc mounted may be tilted with ball-bearings.

The trunnion frame is free to follow the niain i'ranieand adjusts itself in its entirety to any positional changes which this latter frame may assume with relation to thc wheels and duc lo variations in the load. lt does not inlerterefnor is it affected, as before stated, whenever thc rear wheels travel out ot' normal horizontal alineincnt. nasinuch as all the mechanical devices, including the motor, the shaft and its bcarings ari` carried by this'` trunnion frame, it follows that in their positional `relation to cach other, lhrsc parts` sutlcr no disturbance by reason ol' the positional variations oi' thc iframe mentioned. As to the drive shaft,

3T on a ring 38, loosely mounted this of great adv-.image und provides for n, transmission which is as Sti/alight and di rect as i't is possible under i'ig circumstauwes. Longitudinal strain between the driven min? axle und the runniou frame is faken up 'my rn din@4 roda 1.515 which form a cmmectirm befweln these parts eutireiv indepondnt of :1U mechanical devices and ."Qiiuife ihr-m ffn- (iiely of :iii strain and any pzsiihie www iri- Cifhurit thermo.

I-lnvlng @scribe-, 1 om' infreni-ionA we clieiini :1S new:

1. In :i nmtor-propaiei vahicie, the crimhinfiiioii of :i main frame, from and rear axles, :.1 mmm', u shaft actuated thv-@E153 f'h'iviiri :i bearing; fr it zii; 'tp

Y, ih@ malin Nimm i li s* mchy Saki *not fmiiii-.f i.: Siiqipmzd. uptm the ggsfirwf; mvzm: to connect the truimii. f1-.ff war-mh;

' tmf-propelled Whicie, UTM? cmu. i Minn si" :i minimi", :L iii'ftoihshaft, a Car-(3mi (iisfiiigfihim, fi'ont: find rear hearings fm.' #ha rime Whew-by ii: is suppm'o tcai'wnri'iiy of the 'ammi-femfm the front bearing being a swivelheriiimgf complementary fricftimw gmx memhms, one mounted on @am fait' tha@ shatf's. :i tmnsversely adjurstu bis imi c 'whereby he front bearing m" tbn drivin, Sha is Supported, munie; 'rvhviehjf VME, fiume iS nm'nmlly held in a positifm 'm g vom driving Contact hetwven the crwtinf gem' members and manipuiaing device@ ffm' shifting this frame to aamhlish driving 00nact between said members.

ii, In a motor-propelled vehiclei the comhinaiimi of a motor, u niot0shaft, a Cardan fhivingshaft.y front and rear-bearings im* ih@ samey whereby it is Siipporvd i'ezirwsiidiy (if the iii0orsliui. the from hearing; iwn

im@ mmmimi im @ach of thwoi drivingmfmmct between the irictoii;5wir

l' drivingpshnft c/.miprising ewa) ivlescnpicaily connected sections spliimi iig e:

ii U'hi im' rotation, :a friction-Cama iiloiifsew upon the imix'fv-wzd of' hc: influir-Simi?, s; efompiemm iiry fricimrmmiihef mmm'ii'wi lipari the front-0nd of the driving Shaft, from :mii i'car-"muririgs for' this shaft, :i slide 'which carries the front-hearing, a fwme pmvided with gguidavmye; arranged at un angle 0 the (i'ivng-shft onlwhich (his siiidv mmmb ci?, :moi'hm imm@ whir-h C9 vim ihn mfm sind iii/wn whiffh ihe fm Ii misnimid Higilm'n'tm to hii'imwui'r@ iv zxdjiuahie? fm'xying frame :imi menus w adjust? the S. In :L mowrpropelled ve'zclv, the com runs-mm of the motor-Smil, n hindou-0l@ l mum; mmmiivd upm) UN: hmm-@nd 01" thv 1."hi\"ing'-Shnft :md Comprising two internal frston--rugn idlm's mjmtnbly moumx'fd within thL. frconwlemcnt, means m af.- f just h claman# to make m brmk drivingconfn/.ft between (me of the: fril'ton-rng :uml 

